The CMF Buds 2 are budget wireless earbuds priced under $50 USD that deliver audio quality rivaling earbuds costing double or triple the price, powered by Dirac Opteo tuning and 48dB active noise cancellation. For a new publication competing in the crowded budget audio space, this is the story: Nothing has cracked the code on affordable earbuds without the usual compromises.
Key Takeaways
- CMF Buds 2 cost under $50 USD (around ₹2,699 in India) with premium Dirac-tuned sound
- 48dB ANC eliminates 85% of low-frequency noise like bus engines but only 60% of mid/high frequencies like office chatter
- Spatial audio, AI-enhanced microphones, and in-ear detection add features typically found in $100+ earbuds
- Sound excels in busy orchestral and EDM tracks with clear instrument separation
- Battery life extends significantly longer than Apple AirPods Pro 3
CMF Buds 2 Sound Quality Punches Well Above Its Price
The defining strength of the CMF Buds 2 is audio tuning. Dirac Opteo sound signature balances bass, treble, and detail in a way that makes these earbuds sound substantially more expensive than they are. In dense orchestral recordings and EDM tracks, the CMF Buds 2 separate instruments cleanly without the muddiness that typically plagues budget audio. This is where they genuinely compete with $100 and $200 rivals—not in raw power, but in clarity and balance.
The plasticky build feels like every other budget earbud, which is both honest and slightly disappointing. You are not paying for premium materials; you are paying for tuning and features. The Nothing X app gives you EQ controls and spatial audio toggle, so if the default Dirac profile does not suit your ears, you have room to adjust. For movies, spatial audio adds a fun 3D effect, though it is less immersive than higher-end implementations.
Weakness emerges in congested mixes—metalcore and heavy production tracks where dozens of instruments overlap. The CMF Buds 2 struggle slightly here, a limitation that reveals their budget heritage. But for most listeners playing pop, hip-hop, and electronic music, this is a non-issue.
Noise Cancellation That Actually Works on Low Frequencies
The CMF Buds 2 deliver 48dB of active noise cancellation, but effectiveness depends heavily on frequency. On low-frequency rumble—bus engines, air conditioning hum, refrigerator buzz—the ANC kills roughly 85% of the noise. This is the sweet spot for commuters and office workers. Mid and high frequencies like office chatter or keyboard clacking see only 60% reduction, which is honest reporting rather than marketing hype. Class-leading ANC like Sony’s handles all frequencies equally well; the CMF Buds 2 prioritize where it matters most for the price point.
Six AI-enhanced HD microphones handle calls with good ambient noise and wind reduction. Call quality is clear enough for video meetings, though do not expect the isolation of premium business headsets. For casual calls and video chats, these microphones perform above their price tier.
CMF Buds 2 vs. Budget and Premium Competitors
The CMF Buds 2 sit in a peculiar position: they are cheaper than the CMF Buds Pro 2 ($69, often discounted to $49) yet deliver similar Dirac tuning. The Pro 2 leans heavier on bass—richer, more aggressive low-end for bass lovers—and claims a 43-hour total battery. If you want more bottom-end punch and do not mind paying $20 more, the Pro 2 justifies the upgrade. For neutral, balanced listening, the CMF Buds 2 are the better value.
Step up to the CMF Buds 2 Plus ($79) and you get LDAC codec support for Android, delivering higher-quality audio on compatible devices. iPhone users see no benefit since Apple uses AAC, so the codec advantage disappears on iOS. The Plus model also stretches battery life to 61.5 hours with ANC off, substantially longer than AirPods Pro 3’s 24-hour total. For Android users, the Plus is worth considering; for iPhone users, the standard CMF Buds 2 are the smarter buy.
Against Samsung Galaxy Buds Pro 4 ($249) and Sony WF-1000XM6, the CMF Buds 2 cannot match ANC sophistication or build quality. But they double the battery life of Galaxy Buds Pro 4, cost a quarter as much, and deliver Dirac tuning that many listeners prefer to the brighter signature of premium rivals. The comparison is not about absolute performance—it is about value. You do not need $250 earbuds for commuting and casual listening.
Features That Belong in Earbuds Twice the Price
Spatial audio, in-ear detection (pauses music when you remove a bud), ear tip fit test, and find my buds (beeps like a car alarm) round out the feature set. None of these are revolutionary, but bundling them into a sub-$50 package is unusual. The Nothing X app ties everything together with straightforward controls for EQ, spatial audio toggle, and microphone settings.
Unboxing includes the earbuds in Dark Grey (or similar color), three silicone tip sizes (S/M/L), and manuals. Nothing extraneous, nothing missing. The IP55 durability rating on the related Buds 2 Plus model suggests the standard CMF Buds 2 should handle light sweat and splash, though exact ratings for the base model are not detailed.
Should You Buy the CMF Buds 2?
Buy them if you commute on buses or work in offices with AC hum—the ANC excels on those frequencies. Buy them if you listen to orchestral music, EDM, or any genre where instrument separation matters more than bass punch. Buy them if you want spatial audio and AI microphones without spending $150. Do not buy them if you are a bass-head craving aggressive low-end; the Pro 2 is $20 more and delivers that. Do not buy them if you use Android and want the highest-quality codec; the Plus model at $79 adds LDAC. For everyone else, the CMF Buds 2 are the value king in budget audio.
How does the CMF Buds 2 battery compare to other budget earbuds?
The CMF Buds 2 deliver significantly longer battery life than Apple AirPods Pro 3’s 24-hour total. The related CMF Buds 2 Plus stretches to 61.5 hours with ANC off, and the Buds Pro 2 claims 43 hours total. Exact figures for the standard CMF Buds 2 are not detailed, but they position as a middle ground between the two.
Can you use the CMF Buds 2 with iPhone?
Yes. The CMF Buds 2 work with iPhone via standard Bluetooth. iPhone users do not benefit from LDAC codec support (an Android-only feature on the Plus model), so audio quality relies on AAC compression. The earbuds still sound excellent on iPhone thanks to Dirac tuning, but Android users with compatible devices get a slight edge on the Plus model.
What makes the Dirac Opteo tuning different from standard EQ?
Dirac Opteo is a tuning algorithm that balances bass, treble, and detail across the frequency spectrum, creating a more natural and detailed sound signature than generic EQ adjustments. It is the reason the CMF Buds 2 sound like earbuds costing twice as much, and it is available on both the standard model and the Pro 2 variant.
The CMF Buds 2 prove that budget audio does not have to mean cutting corners on sound. At under $50, they deliver Dirac tuning, effective low-frequency ANC, and features that punch well above their price. For commuters, office workers, and casual listeners, they are the rare budget earbud that does not make you wish you had spent more.
Where to Buy
$29 at Amazon | $49 | £33 | $49 | £33
Edited by the All Things Geek team.
Source: Tom's Guide
